Lafraise via Amazon offers Prime members the Secura Automatic Electric Milk Frother and Warmer, model no. MMF-003, for $39.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $7.79.) That's the lowest total price we could find by $18. It features a 250ml capacity, two maximum and one minimum level indicators, and detachable base.